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Finding the Fourth Proportional to 202,622.29, 303,941.64 and 76,249.23

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Solution

The fourth proportional to 202,622.29, 303,941.64 and 76,249.23 is: 114,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,622.29 : 303,941.64 = 76,249.23 : x
  2. Step 2: Convert to fraction form
    202,622.29/303,941.64 = 76,249.23/x
  3. Step 3: Cross multiply
    202,622.29x = 303,941.64 × 76,249.23
  4. Step 4: Simplify right side
    202,622.29x = 23,175,316,656.31
  5. Step 5: Solve for x
    x = 23,175,316,656.31/202,622.29
  6. Step 6: Final answer
    x = 114,376.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.